identify the elements with following properties and arrange them in increasing order of there reactivity
(1) an element which is soft and reactive metal .
(2) the metal which is an important constituent of lime stone.
(3) the metal which exists in liquid in room temperature
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sodium
1)= Answer: (a) An element which is soft and reactive metal is sodium (Na) potassium (K) as alkali metals are soft and reactive......
2)=calcium carbonate CaCO3
Answer: (a) An element which is soft and reactive metal is sodium (Na) potassium (K) as alkali metals are soft and reactive. (b) Limestone is calcium carbonate CaCO3. The important constituent of limestone is calcium (Ca)......
3)= mercury
The metal which exist as a liquid at room temperature is mercury. Non-metal which exist as a liquid at room temperature is bromine.....
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plz mark me brilianest
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